Taxon Report
Oenothera wolfii (Munz) Raven, Dietrich & StubbeWolf's evening-primrose |
 ©2017 Dana York |
Taxon Summary
Oenothera wolfii, commonly known as Wolf's evening-primrose, is a perennial herb in the Onagraceae that is found in California and elsewhere. It occurs within Coastal bluff scrub, Coastal dunes, Coastal prairie, and Lower montane coniferous forest, growing at elevations from 3 to 800 meters. Oenothera wolfii is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.Classification
|
Scientific Name: |
Oenothera wolfii (Munz) Raven, Dietrich & Stubbe |
|
Common Name: |
Wolf's evening-primrose |
| Family: | Onagraceae |
| Element Code: | PDONA0C1K0 |
| USDA Plants Symbol: | OEWO |
|
Synonyms/Other Names: |
|
Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: May-Oct | May-Oct |
| Elevation: | 3-800 (10-2625) |
| General Habitats: | Coastal bluff scrub, Coastal dunes, Coastal prairie, Lower montane coniferous forest |
| Microhabitat: | Mesic (usually), Sandy |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G2 |
|
State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_BerrySB |
|
CRPR Changes: |
|
Occurrence Data from the CNDDB
| Total Occurrences: | 29 |
| Element Occurrence Ranks: | |
| Excellent (A) | 1 |
| Good (B) | 9 |
| Fair (C) | 5 |
| Poor (D) | 2 |
| None (X) | 0 |
| Unknown (U) | 12 |
| California Endemic: False | |
| California Counties and Islands: Name (Code) | |
| Del Norte (DNT), Humboldt (HUM), Mendocino (MEN), Trinity (TRI) | |
| Quads: Name (Quad Code) | |
| Ah Pah Ridge (4112348), Arcata North (4012481), Cape Mendocino (4012444), Capetown (4012443), Carrville (4112216), Crannell (4112411), Crescent City (4112472), Eureka (4012472), Inglenook (3912357), Klamath Glen (4112358), Orick (4112431), Orleans (4112335), Point Arena (3812386), Requa (4112451), Salyer (4012385), Saunders Reef (3812376), Sister Rocks (4112462), Smith River (4112482), Willow Creek (4012386) | |
Threat List Data from the CNDDB
| Threat List Total: | 14 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 18 | 62 % | |
| Road/trail construction/maint. | 13 | 44% |
| Hybridization | 11 | 37% |
| Foot traffic/trampling | 8 | 27% |
| Non-native plant impacts | 8 | 27% |
| Erosion/runoff | 6 | 20% |
| ORV activity | 3 | 10% |
| Other | 3 | 10% |
| Recreational use (non-ORV) | 2 | 6% |
| Development | 2 | 6% |
| Wood cutting or brush clearing | 2 | 6% |
| Landfill | 1 | 3% |
| Vandalism/dumping/litter | 1 | 3% |
| Altered flood/tidal/hydrologic regime | 1 | 3% |
| Biocides | 1 | 3% |
Selected References
|
Aliso 2:16 (1949) |
|
Systematic Botany 4:242-252 (1979) |
|
Oenothera wolfii profile for potential Species of Conservation Concern evaluation (2018) |
| USFS Potential Species of Conservation Concern Profile |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 January 2025].